Warning: file_put_contents(/www/wwwroot/ppbbu/bieo.cn/cache/48f80f12e4ddf79cad21ccd4dbe93fdf.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/bieo.cn/index.php on line 58 key way英英字典_key way剑桥英语解释_key way柯林斯英文解释_衣物护欧路词典
1. N a longitudinal slot cut into a component to accept a key that engages with a similar slot on a mating component to prevent relative motion of the two components 键槽